Research Article

Comparative Analysis of Primary Closure, Rhomboid Flap, and Open Technique in Pilonidal Sinus Surgery: A Retrospective Cohort Study

Volume: 5 Number: 1 March 13, 2026
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Comparative Analysis of Primary Closure, Rhomboid Flap, and Open Technique in Pilonidal Sinus Surgery: A Retrospective Cohort Study

Abstract

Objective: Pilonidal sinus disease (PSD) is a common condition in young adults, with multiple surgical options available. The optimal technique remains debated due to trade-offs between recurrence, healing time, and patient satisfaction. This study aims to compare outcomes of primary closure, rhomboid flap, and open excision in the surgical management of PSD. Methods: A retrospective cohort study was conducted on 300 patients treated between December 2024 and January 2015. Patients were grouped by technique: primary closure (n = 100), rhomboid flap (n = 100), and open excision (n = 100). Baseline characteristics, operative time, postoperative pain (VAS), length of stay, time to complete healing, Time to return to work , complications, recurrence, and satisfaction were analyzed. Statistical tests included Kruskal–Wallis for continuous variables and Chi-square for categorical variables (P < .05). Results: Baseline characteristics were comparable across groups. Operative time was shortest for open excision (42.95 ± 9.98 min) and longest for rhomboid flap (54.35 ± 14.42 min; p < 0.001). Healing time differed significantly (P < .001): rhomboid flap (30.42 ± 5.36 days) and primary closure (36.56 ± 4.73 days) healed faster than open excision (75.75 ± 9.12 days). Return to work followed a similar pattern (P < .001) Pain scores and hospital stay were comparable. Recurrence was lowest with open excision (5.0%) versus primary closure (17.0%) and rhomboid flap (18.0%; P = .011). Satisfaction was highest in rhomboid flap (67% highly satisfied) and lowest in open excision (53%). Conclusion: Open excision offers the lowest recurrence but at the cost of prolonged healing and delayed return to work. Off-midline flap procedures provide faster recovery and higher satisfaction, making it suitable for patients prioritizing early functional outcomes. Technique selection should balance recurrence risk, recovery time, and patient preference.

Keywords

Supporting Institution

Sohag University

Ethical Statement

The study was approved by Medical Research Ethics Committee (MREC), Faculty of Medicine, Sohag University (date: January 5, 2015, number: SUV-MED-REC-2015-0123).

Thanks

The authors would like to thank the surgical team and nursing staff at Sohag University hospital for their assistance in patient care and data collection. We also acknowledge the support of the medical records department for facilitating access to patient files.

References

  1. 1. Brown SR, Hind D, Strong E, et al. Real-world practice and outcomes in pilonidal surgery: Pilonidal Sinus Treatment Studying the Options (PITSTOP) cohort. Br J Surg. 2024;111(3):znae009.
  2. 2. Gil LA, Deans KJ, Minneci PC. Management of pilonidal disease: a review. JAMA Surg. 2023;158(8):875-883.
  3. 3. Oetzmann von Sochaczewski C, Doll D. Recurrence rates of pilonidal sinus disease are high in children and recurrences occur exceedingly early. Surgeries. 2024;5(3):726-737.
  4. 4. Emral AC, Gülen M, Ege BE. Evaluating efficacy and outcomes: comparison of laser treatment and crystallized phenol in pilonidal sinus disease. Front Surg. 2024;11:1494382.
  5. 5. Hull TL, Wu J. Pilonidal disease. Surg Clin North Am. 2020;100(6):1139-1154.
  6. 6. Iesalnieks I, Ommer A, Petersen S, et al. German national guideline on the management of pilonidal disease. Colorectal Dis. 2021;23(7):1793-1803.
  7. 7. Milone M, Velotti N, Manigrasso M, et al. Long-term follow-up for pilonidal sinus surgery: a review of literature with meta-analysis. Tech Coloproctol. 2018;22(10):689-698.
  8. 8. Al-Khamis A, McCallum I, King PM, Bruce J. Healing by primary closure versus open healing after surgery for pilonidal sinus: systematic review and meta-analysis. BMJ. 2010;340:c216.

Details

Primary Language

English

Subjects

General Surgery

Journal Section

Research Article

Early Pub Date

March 13, 2026

Publication Date

March 13, 2026

Submission Date

January 23, 2026

Acceptance Date

March 10, 2026

Published in Issue

Year 2026 Volume: 5 Number: 1

APA
Sayed, M., Atyah, A., & Ashraf Zaki, N. (2026). Comparative Analysis of Primary Closure, Rhomboid Flap, and Open Technique in Pilonidal Sinus Surgery: A Retrospective Cohort Study. Trends in Surgical Sciences, 5(1), 1-9. https://doi.org/10.61745/tss.1870508
AMA
1.Sayed M, Atyah A, Ashraf Zaki N. Comparative Analysis of Primary Closure, Rhomboid Flap, and Open Technique in Pilonidal Sinus Surgery: A Retrospective Cohort Study. Trends in Surgical Sciences. 2026;5(1):1-9. doi:10.61745/tss.1870508
Chicago
Sayed, Mohamed, Abdullah Atyah, and Nehal Ashraf Zaki. 2026. “Comparative Analysis of Primary Closure, Rhomboid Flap, and Open Technique in Pilonidal Sinus Surgery: A Retrospective Cohort Study”. Trends in Surgical Sciences 5 (1): 1-9. https://doi.org/10.61745/tss.1870508.
EndNote
Sayed M, Atyah A, Ashraf Zaki N (April 1, 2026) Comparative Analysis of Primary Closure, Rhomboid Flap, and Open Technique in Pilonidal Sinus Surgery: A Retrospective Cohort Study. Trends in Surgical Sciences 5 1 1–9.
IEEE
[1]M. Sayed, A. Atyah, and N. Ashraf Zaki, “Comparative Analysis of Primary Closure, Rhomboid Flap, and Open Technique in Pilonidal Sinus Surgery: A Retrospective Cohort Study”, Trends in Surgical Sciences, vol. 5, no. 1, pp. 1–9, Apr. 2026, doi: 10.61745/tss.1870508.
ISNAD
Sayed, Mohamed - Atyah, Abdullah - Ashraf Zaki, Nehal. “Comparative Analysis of Primary Closure, Rhomboid Flap, and Open Technique in Pilonidal Sinus Surgery: A Retrospective Cohort Study”. Trends in Surgical Sciences 5/1 (April 1, 2026): 1-9. https://doi.org/10.61745/tss.1870508.
JAMA
1.Sayed M, Atyah A, Ashraf Zaki N. Comparative Analysis of Primary Closure, Rhomboid Flap, and Open Technique in Pilonidal Sinus Surgery: A Retrospective Cohort Study. Trends in Surgical Sciences. 2026;5:1–9.
MLA
Sayed, Mohamed, et al. “Comparative Analysis of Primary Closure, Rhomboid Flap, and Open Technique in Pilonidal Sinus Surgery: A Retrospective Cohort Study”. Trends in Surgical Sciences, vol. 5, no. 1, Apr. 2026, pp. 1-9, doi:10.61745/tss.1870508.
Vancouver
1.Mohamed Sayed, Abdullah Atyah, Nehal Ashraf Zaki. Comparative Analysis of Primary Closure, Rhomboid Flap, and Open Technique in Pilonidal Sinus Surgery: A Retrospective Cohort Study. Trends in Surgical Sciences. 2026 Apr. 1;5(1):1-9. doi:10.61745/tss.1870508

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